Science & Technology

Benefits and Costs of the Clean Air Act 1990-2020, the Second Prospective Study

In March 2011, EPA issued the Second Prospective Report which looked at the results of the Clean Air Act from 1990 to 2020 to assess the benefits and the costs of the entire Clean Air Act.

State Environmental Agencies' Research Needs

EPA ORD partners with ERIS and ECOS to ensure Agency science and technical products are responsive to state environmental agencies' research needs.

San Francisco Bay Area - Map Tool to Identify Interim Pesticide Use Limitations

This will display the San Francisco Bay Area - Interim Pesticide Use Limitations interactive mapper.

Indaziflam Request for Exclusive Use Extension and Response

Climate Change Adaptation Webcast Flyer

ADL Polymer Migration Estimation Model (AMEM) Questions and Answers

Questions and answers for how to download, access, and operate the the Arthur D. Little Polymer Migration Estimation Model (AMEM)

E-FAST Glossary

The EPA Office of Pollution Prevention and Toxics, Economics, Exposure, and Technology Division has developed several exposure assessment tools and models.

A Technical Guide to Ground-Water Model Selection at Sites Contaminated with Radioactive Substances

This report addresses the selection of ground-water flow and contaminant transport models and is intended to be used by hydrogeologists and geoscientists responsible for selecting transport models for use at sites containing radioactive materials.

Are Bt crops safe?

Bacillus thuringiensis (Bt) is a naturally occurring soil bacterium that produces proteins active against certain insects. Learn about the safety of these crops.